Toilet wax ring

I just set a new toilet in my basement bathroom. When I bought the wax ring, I had a choice between a No 1, No 3 or a No 10. I couldn't see any difference between them and nothing on the box explained the difference. I (randomly) picked No 3. What's the difference?

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Toilet wax ring

Hey Joe F a #1 wax ring is a similar thickness to what comes in the box with a toilet. #3 is similar in size to the #1 except that it includes a metal reinforcement ring within the wax and a rubber collar. Finally the #10 is the thickest of the bunch and includes a rubber collar and reinforcement ring as well. Both the #3 and #10 have variations sometimes omitting the rubber collar and or reinforcement ring. Personally I tend to be a fan of the #3 for most applications and keep a number one around for shaving wax from when I need a bit more and a #10 is too much. #10 is good for when the distance between your drain and toilet bottom is a bit more than usual due to either the floor being built up above the drain, manufacturing quirk or what have you.